override

verb

• 1use one’s authority to reject or cancel (a decision, view, etc.):the courts will ultimately override any objections
• be more important than:this commitment should override all other considerations

• 2interrupt the action of (an automatic device), typically in order to take manual control:you can override the cut-out by releasing the switch

• 3 technical extend over; overlap: the external rendering should not override the damp-proof membrane

• 4travel or move over: (as noun overriding)overriding by vehicles is implicated in over half the cases of footway damage

noun

• 1a device for suspending an automatic function on a machine: the flash has to have a manual override to be useful

• 2an excess or increase on a budget, salary, or cost: commission overrides give established carriers an unfair advantage

• 3chiefly US a cancellation of a decision by exertion of authority or winning of votes: the House vote in favour of the bill was 10 votes short of the requisite majority for an override